<template>
  <div id="City">
    <city-header></city-header>
    <city-search :cities="cities"></city-search>
    <city-list :cities="cities" :hotCities="hotCities" :letter="letter"></city-list>
    <city-alphabet :cities="cities" @change="handleLetterChange"></city-alphabet>
  </div>
</template>

<script>
import CityHeader from './components/Header'
import CitySearch from './components/Search'
import CityList from './components/List'
import CityAlphabet from './components/Alphabet'
import axios from 'axios'
export default {
  name: 'City',
  components:{
  	CityHeader,
  	CitySearch,
  	CityList,
    CityAlphabet
  },
  data(){
    return{
      cities:{},
      hotCities:[],
      letter:''
    }
  },
  methods:{
    getCityInfo(){
      axios.get('/api/city.json').then(this.getCityInfoSucc)
    },
    getCityInfoSucc(res){
      res = res.data;
      if(res.ret && res.data){
        const data = res.data;
        this.cities = data.cities;
        this.hotCities = data.hotCities;
        console.log(data)
      }
    },
    handleLetterChange(letter){   //父组件接收子组件的数据
      this.letter = letter;
    }
  },
  mounted:function(){
    this.getCityInfo()
  }
}
</script>

<style scoped>
</style>